Home / 61,280.28-91,928.24-21,841.36

Finding the Fourth Proportional to 61,280.28, 91,928.24 and 21,841.36

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Solution

The fourth proportional to 61,280.28, 91,928.24 and 21,841.36 is: 32,764.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,280.28 : 91,928.24 = 21,841.36 : x
  2. Step 2: Convert to fraction form
    61,280.28/91,928.24 = 21,841.36/x
  3. Step 3: Cross multiply
    61,280.28x = 91,928.24 × 21,841.36
  4. Step 4: Simplify right side
    61,280.28x = 2,007,837,784.01
  5. Step 5: Solve for x
    x = 2,007,837,784.01/61,280.28
  6. Step 6: Final answer
    x = 32,764.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.